ptut-vhost/build/database/repo/category.php

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<?php
/**
* Created by PhpStorm.
* User: lucas
* Date: 20/02/18
* Time: 21:00
*/
namespace database\repo;
use database\core\Repo_i;
class category extends Repo_i{
public function create(int $id, string $label) : bool{
//create the category or update the label
$st = $this->pdo->prepare("INSERT INTO Categorie (idCategorie, labelCategorie) VALUE (:id, :label)");
return $st->execute([
"id" => $id,
"label" => $label
]);
}
public function delete(int $id) :bool{
$st = $this->pdo->prepare("DELETE FROM Categorie WHERE idCategorie = :id");
return $st->execute([
"id" => $id
]);
}
public function getStats(?int $id = null){
$st = $this->pdo->prepare("SELECT VHCours, VHTd, VHTp, Cat.idCategorie idCat, count(P.idProfesseur) nbrProf, Cat.labelCategorie labelCat
FROM Categorie Cat
LEFT JOIN (SELECT IFNULL(SUM(Cours.volume),0) VHCours, Prof.Categorie_idCategorie idCat FROM Professeur Prof LEFT JOIN Cours ON Prof.idProfesseur = Cours.Professeur_idProfesseur GROUP BY Prof.Categorie_idCategorie) VHCours ON VHCours.idCat = Cat.idCategorie
LEFT JOIN (SELECT IFNULL(SUM(TD.volume),0) VHTd , Prof.Categorie_idCategorie idCat FROM Professeur Prof LEFT JOIN TD ON TD.Professeur_idProfesseur = Prof.idProfesseur GROUP BY Prof.Categorie_idCategorie) VHTd ON VHTd.idCat = Cat.idCategorie
LEFT JOIN (SELECT IFNULL(SUM(TP.volume),0) VHTp, Prof.Categorie_idCategorie idCat FROM Professeur Prof LEFT JOIN TP ON TP.Professeur_idProfesseur = Prof.idProfesseur GROUP BY Prof.Categorie_idCategorie) VHTp ON VHTp.idCat = Cat.idCategorie
LEFT JOIN Professeur P ON Cat.idCategorie = P.Categorie_idCategorie
".($id ? " WHERE Cat.idCategorie = :idCat" : "")."
GROUP BY Cat.idCategorie;");
$st->execute($id ? ["idCat" => $id] : []);
if($id){
return $st->fetch() ?: [];
}else{
return $st->fetchAll();
}
}
}